Drop checks for mbstring existence
Since mbstring is now a hard dependency enforced by composer, it is no longer necessary to check for its presence and implement fallbacks.
This commit is contained in:
Adrien Crivelli
parent
1a52e23f08
commit
7b90bb9394
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@ -672,37 +672,3 @@ class Functions
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return $value;
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}
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}
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//
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// Strangely, PHP doesn't have a mb_str_replace multibyte function
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// As we'll only ever use this function with UTF-8 characters, we can simply "hard-code" the character set
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//
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if ((!function_exists('mb_str_replace')) &&
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(function_exists('mb_substr')) && (function_exists('mb_strlen')) && (function_exists('mb_strpos'))
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) {
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function mb_str_replace($search, $replace, $subject)
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{
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if (is_array($subject)) {
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$ret = [];
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foreach ($subject as $key => $val) {
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$ret[$key] = mb_str_replace($search, $replace, $val);
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}
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return $ret;
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}
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foreach ((array) $search as $key => $s) {
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if ($s == '' && $s !== 0) {
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continue;
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}
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$r = !is_array($replace) ? $replace : (isset($replace[$key]) ? $replace[$key] : '');
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$pos = mb_strpos($subject, $s, 0, 'UTF-8');
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while ($pos !== false) {
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$subject = mb_substr($subject, 0, $pos, 'UTF-8') . $r . mb_substr($subject, $pos + mb_strlen($s, 'UTF-8'), null, 'UTF-8');
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$pos = mb_strpos($subject, $s, $pos + mb_strlen($r, 'UTF-8'), 'UTF-8');
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}
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}
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return $subject;
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}
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}
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@ -124,19 +124,12 @@ class TextData
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}
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$character = $characters;
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if ((function_exists('mb_strlen')) && (function_exists('mb_substr'))) {
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if (mb_strlen($characters, 'UTF-8') > 1) {
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$character = mb_substr($characters, 0, 1, 'UTF-8');
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}
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return self::unicodeToOrd($character);
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}
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if (strlen($characters) > 0) {
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$character = substr($characters, 0, 1);
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}
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return ord($character);
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}
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/**
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* CONCATENATE.
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@ -225,11 +218,8 @@ class TextData
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if (\PhpOffice\PhpSpreadsheet\Shared\StringHelper::countCharacters($needle) == 0) {
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return $offset;
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}
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if (function_exists('mb_strpos')) {
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$pos = mb_strpos($haystack, $needle, --$offset, 'UTF-8');
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} else {
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$pos = strpos($haystack, $needle, --$offset);
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}
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if ($pos !== false) {
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return ++$pos;
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}
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@ -263,11 +253,8 @@ class TextData
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if (\PhpOffice\PhpSpreadsheet\Shared\StringHelper::countCharacters($needle) == 0) {
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return $offset;
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}
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if (function_exists('mb_stripos')) {
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$pos = mb_stripos($haystack, $needle, --$offset, 'UTF-8');
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} else {
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$pos = stripos($haystack, $needle, --$offset);
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}
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if ($pos !== false) {
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return ++$pos;
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}
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@ -330,13 +317,9 @@ class TextData
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$value = ($value) ? \PhpOffice\PhpSpreadsheet\Calculation::getTRUE() : \PhpOffice\PhpSpreadsheet\Calculation::getFALSE();
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}
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if (function_exists('mb_substr')) {
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return mb_substr($value, 0, $chars, 'UTF-8');
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}
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return substr($value, 0, $chars);
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}
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/**
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* MID.
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*
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@ -363,11 +346,8 @@ class TextData
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if (empty($chars)) {
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return '';
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}
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if (function_exists('mb_substr')) {
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return mb_substr($value, --$start, $chars, 'UTF-8');
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}
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return substr($value, --$start, $chars);
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return mb_substr($value, --$start, $chars, 'UTF-8');
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}
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/**
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@ -391,13 +371,9 @@ class TextData
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$value = ($value) ? \PhpOffice\PhpSpreadsheet\Calculation::getTRUE() : \PhpOffice\PhpSpreadsheet\Calculation::getFALSE();
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}
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if ((function_exists('mb_substr')) && (function_exists('mb_strlen'))) {
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return mb_substr($value, mb_strlen($value, 'UTF-8') - $chars, $chars, 'UTF-8');
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}
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return substr($value, strlen($value) - $chars);
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}
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/**
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* STRINGLENGTH.
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*
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@ -413,13 +389,9 @@ class TextData
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$value = ($value) ? \PhpOffice\PhpSpreadsheet\Calculation::getTRUE() : \PhpOffice\PhpSpreadsheet\Calculation::getFALSE();
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}
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if (function_exists('mb_strlen')) {
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return mb_strlen($value, 'UTF-8');
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}
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return strlen($value);
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}
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/**
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* LOWERCASE.
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*
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@ -521,30 +493,20 @@ class TextData
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$instance = floor(Functions::flattenSingleValue($instance));
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if ($instance == 0) {
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if (function_exists('mb_str_replace')) {
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return mb_str_replace($fromText, $toText, $text);
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return \PhpOffice\PhpSpreadsheet\Shared\StringHelper::mbStrReplace($fromText, $toText, $text);
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}
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return str_replace($fromText, $toText, $text);
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}
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$pos = -1;
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while ($instance > 0) {
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if (function_exists('mb_strpos')) {
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$pos = mb_strpos($text, $fromText, $pos + 1, 'UTF-8');
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} else {
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$pos = strpos($text, $fromText, $pos + 1);
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}
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if ($pos === false) {
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break;
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}
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--$instance;
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}
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if ($pos !== false) {
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if (function_exists('mb_strlen')) {
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return self::REPLACE($text, ++$pos, mb_strlen($fromText, 'UTF-8'), $toText);
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}
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return self::REPLACE($text, ++$pos, strlen($fromText), $toText);
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if ($pos !== false) {
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return self::REPLACE($text, ++$pos, mb_strlen($fromText, 'UTF-8'), $toText);
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}
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return $text;
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@ -66,13 +66,6 @@ class StringHelper
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*/
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private static $currencyCode;
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/**
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* Is mbstring extension avalable?
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*
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* @var bool
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*/
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private static $isMbstringEnabled;
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/**
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* Is iconv extension avalable?
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*
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@ -259,23 +252,6 @@ class StringHelper
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];
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}
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/**
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* Get whether mbstring extension is available.
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*
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* @return bool
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*/
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public static function getIsMbstringEnabled()
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{
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if (isset(self::$isMbstringEnabled)) {
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return self::$isMbstringEnabled;
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}
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self::$isMbstringEnabled = function_exists('mb_convert_encoding') ?
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true : false;
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return self::$isMbstringEnabled;
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}
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/**
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* Get whether iconv extension is available.
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*
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@ -387,16 +363,11 @@ class StringHelper
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return $value;
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}
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if (self::getIsMbstringEnabled()) {
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$value = mb_convert_encoding($value, 'UTF-8', 'UTF-8');
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return $value;
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}
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// else, no conversion
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return $value;
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}
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/**
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* Check if a string contains UTF8 data.
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*
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@ -444,9 +415,7 @@ class StringHelper
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$ln = self::countCharacters($value, 'UTF-8');
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// option flags
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if (empty($arrcRuns)) {
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$opt = (self::getIsIconvEnabled() || self::getIsMbstringEnabled()) ?
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0x0001 : 0x0000;
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$data = pack('CC', $ln, $opt);
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$data = pack('CC', $ln, 0x0001);
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// characters
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$data .= self::convertEncoding($value, 'UTF-16LE', 'UTF-8');
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} else {
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@ -479,20 +448,16 @@ class StringHelper
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// character count
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$ln = self::countCharacters($value, 'UTF-8');
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// option flags
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$opt = (self::getIsIconvEnabled() || self::getIsMbstringEnabled()) ?
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0x0001 : 0x0000;
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// characters
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$chars = self::convertEncoding($value, 'UTF-16LE', 'UTF-8');
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$data = pack('vC', $ln, $opt) . $chars;
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$data = pack('vC', $ln, 0x0001) . $chars;
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return $data;
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}
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/**
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* Convert string from one encoding to another. First try mbstring, then iconv, finally strlen.
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* Convert string from one encoding to another.
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*
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* @param string $value
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* @param string $to Encoding to convert to, e.g. 'UTF-8'
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@ -506,68 +471,11 @@ class StringHelper
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return iconv($from, $to . '//IGNORE//TRANSLIT', $value);
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}
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if (self::getIsMbstringEnabled()) {
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return mb_convert_encoding($value, $to, $from);
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}
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if ($from == 'UTF-16LE') {
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return self::utf16Decode($value, false);
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} elseif ($from == 'UTF-16BE') {
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return self::utf16Decode($value);
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}
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// else, no conversion
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return $value;
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}
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/**
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* Decode UTF-16 encoded strings.
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*
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* Can handle both BOM'ed data and un-BOM'ed data.
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* Assumes Big-Endian byte order if no BOM is available.
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* This function was taken from http://php.net/manual/en/function.utf8-decode.php
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* and $bom_be parameter added.
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*
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* @param string $str uTF-16 encoded data to decode
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* @param mixed $bom_be
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*
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* @return string uTF-8 / ISO encoded data
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*
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* @version 0.2 / 2010-05-13
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*
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* @author Rasmus Andersson {@link http://rasmusandersson.se/}
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* @author vadik56
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*/
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public static function utf16Decode($str, $bom_be = true)
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{
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if (strlen($str) < 2) {
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return $str;
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}
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$c0 = ord($str[0]);
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$c1 = ord($str[1]);
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if ($c0 == 0xfe && $c1 == 0xff) {
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$str = substr($str, 2);
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} elseif ($c0 == 0xff && $c1 == 0xfe) {
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$str = substr($str, 2);
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$bom_be = false;
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}
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$len = strlen($str);
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$newstr = '';
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for ($i = 0; $i < $len; $i += 2) {
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if ($bom_be) {
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$val = ord($str[$i]) << 4;
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$val += ord($str[$i + 1]);
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} else {
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$val = ord($str[$i + 1]) << 4;
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$val += ord($str[$i]);
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}
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$newstr .= ($val == 0x228) ? "\n" : chr($val);
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}
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return $newstr;
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}
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/**
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* Get character count. First try mbstring, then iconv, finally strlen.
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* Get character count.
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*
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* @param string $value
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* @param string $enc Encoding
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@ -576,20 +484,11 @@ class StringHelper
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*/
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public static function countCharacters($value, $enc = 'UTF-8')
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{
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if (self::getIsMbstringEnabled()) {
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return mb_strlen($value, $enc);
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}
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if (self::getIsIconvEnabled()) {
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return iconv_strlen($value, $enc);
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}
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// else strlen
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return strlen($value);
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}
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/**
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* Get a substring of a UTF-8 encoded string. First try mbstring, then iconv, finally strlen.
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* Get a substring of a UTF-8 encoded string.
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*
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* @param string $pValue UTF-8 encoded string
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* @param int $pStart Start offset
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@ -599,18 +498,9 @@ class StringHelper
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*/
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public static function substring($pValue = '', $pStart = 0, $pLength = 0)
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{
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if (self::getIsMbstringEnabled()) {
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return mb_substr($pValue, $pStart, $pLength, 'UTF-8');
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}
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if (self::getIsIconvEnabled()) {
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return iconv_substr($pValue, $pStart, $pLength, 'UTF-8');
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}
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// else substr
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return substr($pValue, $pStart, $pLength);
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}
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/**
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* Convert a UTF-8 encoded string to upper case.
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*
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@ -620,13 +510,9 @@ class StringHelper
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*/
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public static function strToUpper($pValue = '')
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{
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if (function_exists('mb_convert_case')) {
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return mb_convert_case($pValue, MB_CASE_UPPER, 'UTF-8');
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}
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return strtoupper($pValue);
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}
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/**
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* Convert a UTF-8 encoded string to lower case.
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*
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@ -636,13 +522,9 @@ class StringHelper
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*/
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public static function strToLower($pValue = '')
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{
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if (function_exists('mb_convert_case')) {
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return mb_convert_case($pValue, MB_CASE_LOWER, 'UTF-8');
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}
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return strtolower($pValue);
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}
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/**
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* Convert a UTF-8 encoded string to title/proper case
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* (uppercase every first character in each word, lower case all other characters).
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@ -653,13 +535,9 @@ class StringHelper
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*/
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public static function strToTitle($pValue = '')
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{
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if (function_exists('mb_convert_case')) {
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return mb_convert_case($pValue, MB_CASE_TITLE, 'UTF-8');
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}
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return ucwords($pValue);
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}
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public static function mbIsUpper($char)
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{
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return mb_strtolower($char, 'UTF-8') != $char;
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@ -672,6 +550,44 @@ class StringHelper
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return preg_split('/(?<!^)(?!$)/u', $string);
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}
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/**
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* Replace into multi-bytes string.
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*
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* Strangely, PHP doesn't have a mb_str_replace multibyte function
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* As we'll only ever use this function with UTF-8 characters, we can simply "hard-code" the character set
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*
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* @param string|string[] $search
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* @param string|string[] $replace
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* @param string $subject
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*
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* @return string
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*/
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public static function mbStrReplace($search, $replace, $subject)
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{
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if (is_array($subject)) {
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$ret = [];
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foreach ($subject as $key => $val) {
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$ret[$key] = self::mbStrReplace($search, $replace, $val);
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}
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return $ret;
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}
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foreach ((array) $search as $key => $s) {
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if ($s == '' && $s !== 0) {
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continue;
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}
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$r = !is_array($replace) ? $replace : (isset($replace[$key]) ? $replace[$key] : '');
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$pos = mb_strpos($subject, $s, 0, 'UTF-8');
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while ($pos !== false) {
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$subject = mb_substr($subject, 0, $pos, 'UTF-8') . $r . mb_substr($subject, $pos + mb_strlen($s, 'UTF-8'), null, 'UTF-8');
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$pos = mb_strpos($subject, $s, $pos + mb_strlen($r, 'UTF-8'), 'UTF-8');
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}
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}
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return $subject;
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}
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/**
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* Reverse the case of a string, so that all uppercase characters become lowercase
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* and all lowercase characters become uppercase.
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@ -682,7 +598,6 @@ class StringHelper
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*/
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public static function strCaseReverse($pValue = '')
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{
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if (self::getIsMbstringEnabled()) {
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$characters = self::mbStrSplit($pValue);
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foreach ($characters as &$character) {
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if (self::mbIsUpper($character)) {
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@ -695,9 +610,6 @@ class StringHelper
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return implode('', $characters);
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}
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return strtolower($pValue) ^ strtoupper($pValue) ^ $pValue;
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}
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/**
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* Identify whether a string contains a fractional numeric value,
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* and convert it to a numeric if it is.
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|
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|
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@ -14,12 +14,6 @@ class StringTest extends \PHPUnit_Framework_TestCase
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StringHelper::setCurrencyCode(null);
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}
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public function testGetIsMbStringEnabled()
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{
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$result = StringHelper::getIsMbstringEnabled();
|
||||
$this->assertTrue($result);
|
||||
}
|
||||
|
||||
public function testGetIsIconvEnabled()
|
||||
{
|
||||
$result = StringHelper::getIsIconvEnabled();
|
||||
|
|
|
|||
Loading…
Reference in New Issue